Home / 25,862,003.60-38,793,005.40-21,238,466.90

Finding the Fourth Proportional to 25,862,003.60, 38,793,005.40 and 21,238,466.90

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Solution

The fourth proportional to 25,862,003.60, 38,793,005.40 and 21,238,466.90 is: 31,857,700.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,862,003.60 : 38,793,005.40 = 21,238,466.90 : x
  2. Step 2: Convert to fraction form
    25,862,003.60/38,793,005.40 = 21,238,466.90/x
  3. Step 3: Cross multiply
    25,862,003.60x = 38,793,005.40 × 21,238,466.90
  4. Step 4: Simplify right side
    25,862,003.60x = 823,903,961,139,421.12
  5. Step 5: Solve for x
    x = 823,903,961,139,421.12/25,862,003.60
  6. Step 6: Final answer
    x = 31,857,700.35

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.